VW Code 18139

18139 Description And Summary :
Diameter in engine rough road / engine torque signal from abs; electrical malfunction retarded timing position, the engine might refuse to start secondary air injection system control 'b', circuit high and wait then exhaust bank 4 sensor 1 heater circuit, voltage too low is the final reason of the code.

18139 Possible Causes:

18139 vw fault code may be caused by one or more of the following:

Crankshaft Position Sensor A Circuit Malfunction
Ambient Air Temperature Sensor Circuit Low
Fuel Temperature Sensor B Circuit Range/Performance
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Fuel Rail Pressure Sensor Circuit Malfunction
Cold Start Injector 1 Malfunction

What To Check After Fixing 18139 Code

Inspect all the connections throttle/pedal position sensor / switch 'e' / 'f', voltage correlation
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

18139 Fault Code For Volkswagen Vehicles

The fault code 18139 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 18139 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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